Ivermectin Sheep Drench for chickens?

[niecy]

I believe my 2 cochins (one rooster and one hen) have scaly leg mites.

I bought the following Ivermectin Sheep Drench (0.08% solution parasiticide):
http://www.durvet.com/prods/IVERMECTIN_383/DetailSheet.html

Can I use this on my chickens? If so, how much and do I just squirt it in their mouth?

Thanks.
Denise